-295

Appears in sequences

• Expansion of Product_{m>=1} 1/(1 + m*q^m)^7.at n=7A022699
• a(n+1) = a(n) - n (if n is even), a(n+1) = a(n) * n (if n is odd).at n=8A047907
• Matrix inverse of triangle A055898.at n=51A055905
• Expansion of 1/(1-x+2*x^2-x^3) in powers of x.at n=35A077954
• a(n) = sum(sum(binomial(j-n-1,m),m=0..n),j=0..n).at n=5A092785
• a(n) = Sum_{k=0..n} A105595(k)*(-1)^k*A105595(n-k) (interpolated zeros suppressed).at n=21A105596
• Expansion of sqrt((1-x+8*x^2)/(1-x)^3).at n=9A108781
• Triangle T, read by rows, where all columns of T are different and yet all columns of the matrix square T^2 (A118407) are equal; also equals the matrix inverse of triangle A118400.at n=100A118404
• A Caratheodory-Fejer Theorem set of matrices whose characteristic polynomials produce a triangular sequence: {{a[n],...,a[0]}, {a[n-1],...,a[0],0}, ..., {a[0],0,...,0}}.at n=84A123940
• A Caratheodory-Fejer Theorem set of matrices whose characteristic polynomials produce a triangular sequence: {{a[n],...,a[0]}, {a[n-1],...,a[0],0}, ..., {a[0],0,...,0}}.at n=85A123940
• a(n) = Sum_{k=0..n} binomial(n, floor(k/2))*(-2)^(n-k).at n=7A127361
• See Mathematica program.at n=31A130605
• Expansion of chi(-x^5) / chi(-x^2) in powers of x where chi() is a Ramanujan theta function.at n=57A145706
• Expansion of c(q^3) / (c(q^3) + c(q^6)) where c() is a cubic AGM function.at n=25A145977
• a(n) = (-6*n^7 + 154*n^6 - 1533*n^5 + 7525*n^4 - 18879*n^3 + 22561*n^2 - 7302*n + 2520)/2520.at n=10A161710
• A sequence related to the recurrence relations of the right hand columns of the EG1 triangle A162005.at n=25A162011
• Expansion of c(-q) * c(-q^3) / c(q^2)^2 in powers of q where c() is a cubic AGM theta function.at n=25A164616
• Array: row n shows the coefficients of the characteristic polynomial of the n-th principal submatrix of f(i,j) = gcd(2^(i-1), 2^(j-1)) (A144464).at n=48A204124
• The Berndt-type sequences number 7 for the argument 2*Pi/13.at n=3A217548
• Expansion of f(-x^1, -x^7) * f(-x^2, -x^6) / (f(-x^3, -x^5) * f(-x^4, -x^4)) in powers of x where f(, ) is Ramanujan's general theta function.at n=42A226559